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164243790232 = 23152331347763
BaseRepresentation
bin1001100011110110110…
…0010101100110011000
3120200221102200000202221
42120331230111212120
510142332402241412
6203241430233424
714603054116324
oct2307554254630
9520842600687
10164243790232
1163723379615
12279b8ab5874
13126465383c2
147d413a8984
15441431bb07
hex263db15998

164243790232 has 16 divisors (see below), whose sum is σ = 307977551640. Its totient is φ = 82116443136.

The previous prime is 164243790229. The next prime is 164243790253. The reversal of 164243790232 is 232097342461.

164243790232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1642437902322 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552018 + ... + 795745.

Almost surely, 2164243790232 is an apocalyptic number.

It is an amenable number.

164243790232 is a deficient number, since it is larger than the sum of its proper divisors (143733761408).

164243790232 is a wasteful number, since it uses less digits than its factorization.

164243790232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363002 (or 1362998 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 164243790232 in words is "one hundred sixty-four billion, two hundred forty-three million, seven hundred ninety thousand, two hundred thirty-two".

Divisors: 1 2 4 8 15233 30466 60932 121864 1347763 2695526 5391052 10782104 20530473779 41060947558 82121895116 164243790232